[migration] test if entity type has been in the deleted in the transaction should protect both clauses
else we may attempt to execute the UPDATE query on a table which has been
deleted.
Closes #10692374
Document: cubicweb-doc
Title: CubicWeb documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/cubicweb-documentation/html/index.html
Files: /usr/share/doc/cubicweb-documentation/html/*